the quality and degree of containment gradually changes as a person passes through the sub-phases of childhood. At first there is maximal nurturance and containment.
This passage articulates the Jungian developmental model of containment as a graduated, evolving holding function that tracks the child’s growing autonomy and must be progressively eased to avoid becoming pathologically overprotective.
, The Handbook of Jungian Psychology: Theory, Practice and Applications, 2006thesis